Table 1.

Selected echocardiographic and hemodynamic measurements

	WT		TAC		RAS
	Mean ± SEM	n	Mean ± SEM	n	Mean ± SEM	n
LVEDD, mm	3.9 ± 0.1	31	3.9 ± 0.2	5	3.9 ± 0.2	12
LVESD, mm	2.3 ± 0.1	31	2.1 ± 0.2	5	2.4 ± 0.2	12
FS, %	41.2 ± 0.1	31	47.1 ± 2.3	5	39.0 ± 2.0†	12
IVS, mm	0.7 ± 0.0	30	0.9 ± 0.0	5	0.9 ± 0.1*	12
PW, mm	0.7 ± 0.0	31	0.8 ± 0.1	5	1.2 ± 0.1*†	12
HR, beats/min	368 ± 24	6	309 ± 43	4	397 ± 19	9
LVESP, mmHg	106.7 ± 4.4	6	101.1 ± 10.0	4	109.8 ± 9.0	9
LVEDP, mmHg	2.3 ± 0.4	6	5.2 ± 1.5	4	5.6 ± 1.1	9
Max dP/dt, mmHg/s	8979 ± 737	6	6328 ± 460	4	8411 ± 695	9
Min dP/dt, mmHg/s	−7,058 ± 308	6	−5,416 ± 179	4	−6,756 ± 479	9

LVEDD, LV end-diastolic dimension; LVESD, LV end-systolic dimension; FS, fractional shortening; IVS, interventricular septal thickness; PW, LV posterior wall thickness; HR, heart rate; LVESP, LV end-systolic pressure; LVEDP, LV end-diastolic pressure; dP/dt, instantaneous rate of change of pressure with respect to time. 

^*P < 0.05 vs. WT;  

^†P < 0.05 vs. TAC.